Cloud computing is not just a promising approach to the service provisioning: nowadays it
represents the reference model in such field. Several cloud service providers have emerged …

As cloud services have been firmly accepted by enterprises, the current challenge is how to
share these resources among increasing number of cloud platforms. Currently, cloud …

Identity federations enable users, service providers, and identity providers from different
organizations to exchange authentication and authorization information in a secure way. In …

With the rapid development of Internet, network security issues have become great issues
related to national security and stability. In this context, researchers and students in …

Today, more and more researchers are advocating the use of Clouds to form a virtual
organization. However, the implementation of a cloud based virtual organization presents …

Abstract Internet-of-Things (IoT) devices are getting increasingly popular, becoming a core
element for the next generations of informational architectures: Smart City, Smart Factory …

I dati della diffusione del cloud computing in Europa e in Italia mostrano che questa
tecnologia¿ in una fase di piena maturit¿. La trasformazione innescata dai nuovi modelli ha …

Identity management (IdM) systems employ Identity Providers (IdPs), as guardians of users'
critical information. However, Distributed Denial-of-Service (DDoS) attacks can make IdPs …

Abstract While High-Performance Computing (HPC) typically focuses on very large, parallel
machines, ie, Big Iron, running massive numerical codes, the importance of extracting …

The security of cloud system is one of the most important weakness in current cloud system,
in this work we were able to produce a solution for two problem in current OpenStack …